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    • 2. 发明申请
    • SEMICONDUCTOR MEMORY HAVING BOTH VOLATILE AND NON-VOLATILE FUNCTIONALITY AND METHOD OF OPERATING
    • 具有两种挥发性和非挥发性功能的半导体存储器和操作方法
    • WO2008136813A2
    • 2008-11-13
    • PCT/US2007024544
    • 2007-11-29
    • WIDJAJA YUNIARTO
    • WIDJAJA YUNIARTO
    • H01L29/788G11C16/04
    • H01L29/7841G11C14/00H01L27/115H01L29/66825H01L29/7881
    • Semiconductor memory having both volatile and non-volatile modes and methods of operation. A semiconductor memory cell includes a substrate having a first conductivity type; a first region embedded in the substrate at a first location of the substrate and having a second conductivity type; a second region embedded in the substrate at a second location the substrate and have the second conductivity type, such that at least a portion of the substrate having the first conductivity type is located between the first and second locations and functions as a floating body to store data in volatile memory; a floating gate or trapping layer positioned in between the first and second locations and above a surface of the substrate and insulated from the surface by an insulating layer; the floating gate or trapping layer being configured to receive transfer of data stored by the volatile memory and store the data as nonvolatile memory in the floating gate or trapping layer upon interruption of power to the memory cell; and a control gate positioned above the floating gate or trapping layer and a second insulating layer between the floating gate or trapping layer and the control gate.
    • 具有易失性和非易失性模式和操作方法的半导体存储器。 半导体存储单元包括具有第一导电类型的衬底; 第一区域,其在衬底的第一位置处嵌入衬底并具有第二导电类型; 第二区域,其在基板的第二位置处嵌入基板并具有第二导电类型,使得具有第一导电类型的基板的至少一部分位于第一和第二位置之间,并且用作浮体以存储 易失性存储器中的数据; 位于所述第一和第二位置之间并位于所述基板的表面之上并且通过绝缘层与所述表面绝缘的浮栅或捕获层; 浮动栅极或俘获层被配置为在中断对存储器单元的电力时,接收由易失性存储器存储的数据的传输并将数据作为非易失性存储器存储在浮动栅极或俘获层中; 以及位于浮置栅极或俘获层上方的控制栅极和位于浮置栅极或捕获层与控制栅极之间的第二绝缘层。